//题目：学习putpixel画点。
//1.程序分析：
//2.程序源代码：
#if FALSE
#include "stdio.h"
#include "graphics.h"
main() {
	int i, j, driver = VGA, mode = VGAHI;
	initgraph(&driver, &mode, "");
	setbkcolor(YELLOW);
	for (i = 50; i <= 230; i += 20)
		for (j = 50; j <= 230; j++)
			putpixel(i, j, 1);
	for (j = 50; j <= 230; j += 20)
		for (i = 50; i <= 230; i++)
			putpixel(i, j, 1);
}
#endif
